Tantalum Ore.
Rare earth metals like tantalum indium and cobalt.
Niobium above 50%, copper above 60%, tantalum.
Galena and tantalum.
Columbita Or Tantalum Ore.
Rare earth; tantalum ta, niobium nb, rhodium rh, iridium ir, palladium pd, cadmium cd, ruthenium ru, etc...
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Rare earth , cesium and rubidium metals, tantalum, isotopic copper.
Tantalum Ore.
Lithium ore, tantalum concentrate.
Coltan, tantalum ores.
Tin , Niobium And Tantalum Ores .
Tantalum, Niobium, And Zirconium.